Glass cutting machine



Oct. 4, 1932. O, Q NATLIS 1,881,220

GLSS CUTTING MACHINE Filed Sept. 9, 1950 2 Sheets-Sheet l Inventor q By Allorney Oct. 4, 1932. o. c. NATLIS GLASS CUTTING MACHINE Filed Sept. 9. 1930 2 Sheets-Sheet 2 Inventor cave ('/Vzzlzs A Home y Patented Oct. 4, 1932 arri-ae stars PATENT OFFICE OCTAVE C. NATLIS, OF CHARLESTON, WEST VRGINIA, ASSIGNOR T0 LIBBEY-OWENS- FORD GLASS, COMEANY, OF TOLEDO, OHIO, A CORPORATION F OHIO GLASS CUTTING :MACHINE Applicationy filed September 9,1930. Serial No. 480,788.

This invention relates to certain new and Y useful. improvements in glass cutting machines, and the primary object of this invention is to provide a glass cutting machine especially, but not necessarily, adapted for use in conjunction ywith that type of glass ycutting machine forming the subject matter of a copending application Serial No. 294,022, July i9, 192s. c

A primary object of this invention is to provide a glass cutter for scoring and subsequently breaking ythe corners of glass.

Other objects and advantages of the invention will become apparent during a study of the following description, taken in connection with the accompanying drawings where- 1n:

,Figure 1 is a plan view of a windshield With the corners cut as comprehended by the present invention,

Figure 2 is a top plan view of a table illustratingthe application of present invention therewith,

Figure 3 is a fragmentary sectional view taken substantially on line 8 3 of Figure 2,

Figure 4 is a similar view taken substantially on line t-4 of Figure 2,

Figure 5 is an elevational view of one of the cuttingA units,

Figure 6 is a side elevational view thereof,

Figure 7 -is'a detail sectional view taken substantially on theline 7-7 of Figure 5,

Figure 8 is a fragmentary detail section illustrating the mounting of the cutting elements. l i i' Referring more in detail to the drawings, it will be seen that a table 1 is provided, and upon this table is llatly placed the glass from which the windshied W is to be cut. As suggested in Figure 2, the glass 1 in its original shape is substantially rectangular, and when cut'and shaped, will, in its completed form have the appearance of the finished windshield W shown in Figure 1.

'In cutting the windshield, by way of'exy planation, it may be stated that the glass is laid flatupon the table and asuitable cutting j mechanism, preferably that type kof cutting patent is used for shaping the windshield after which the corner cutting elements yforming part of the present invention may suitable brackets 4. Each shaft at each end thereof is provided With a bore 5 square in vcross section,to receive square shaft sections To the outer end of each of the shafts 6 carried lby shaft 3 there is connected one end of a shaft 7 through the medium of a universal oint 8.

To the outer end of each of the shafts 6 carried by shaft 2, there is coupled one end of a sectional shaft 7. The sections of the respective sectional shaft 7 are coupled together through the medium of universal joints 9.

Gn the outer free end of each shaft 7 7 is a cutter head structure designated generally by the reference character H. Each of said structures comprise a disk or plate 10 held rigid against movement in any direction, through the medium of suitable braces or braces 11 that brace and supportV plate 10 on the shaft in spaced relation to an adjacent edge of table 1. A substantially segmental-shaped carrier block or plate 12 adjacent the lower smallest end thereof'is provided with aV lateral sleeve keyed to the outer endl of shaft 7, 7 as at 13. The plate 10 is provided with a'suitable aperture to accommodate the sleeve of carrier block 12, as is also a ratchet wheel 14 interposed between plate 10 and carrier block 12, being loosely supported on the sleeve of said carrier block.

Carrier block 12, adjacent one edge thereof is provided with an elongated bore or socket 15, in which is slidably mounted the shank 16 of a suitablev cutter element, which latter, also includes a cutting disk 17 rotatably supported in the bifurcated upper end of shank 16, as at 18. A

Normally urging shank 16 outwardly of socket 15 is a suitably arranged coil spring 19 that impinges the inner end of the shank 30 reciprocated within the vbore 20V for movement into and out of forcible engagementV with the' glass'for breaking the scored cor-V to yieldably retain cutter 17 in cutting contact With a portion of the windshield glass WV. A set screw 19 threaded in'block or carrier 12 has its inner end engaging shank 16 to prevent ejection of shank 16 under influence of spring 19. Set screw 19 engages shank/16 to such an extent as to oiiiery only enough resistance to the spring as to prevent ejection of the shank as above set forth with'- out positively locking the shank against sliding movement; v

The block or carrier l2 is also providedy with a bore 2O extending therethrough from the upper to the lower edge of the carrier' block. Slidable in, bore 2O is an elongated hammer element 2l that has its upper end normally urged outwardly of the'upper end of bo're 20, through the mediumof coil spring 22 that at its lower end is anchored to hammer 21v adjacent the lower` end thereof as at V.23gY The upper end of coil spring 22 is anchored as atV 24 toL an intermediate portion of block 12.

Eachfhammer 21 at the lower end thereof 'is provided with a roller 26 mounted on a lateralpin 25, and engageable'with the teeth of'ratchet wheel 111. Thus, as is apparent, whenV the roller '26 rides over a cam face 27 ofthe ratchet 'wheel' from one toothrto the neXt adjacent tooth thereof, the hammer is nervportion thereof. Y

Y For simultaneously actuating the cutting and breaking [units fi, 'there yis provided a suitably mountedactuating lever 29 that is suitably engaged with shaft 3. `ltachc-f shafts 2and3 is providedwith a crank arm 31, andtliese crank arms 31 are operatively 'connected togetherthrough the medium of links 32'so that obviously upon rocking of lever'29, the 'shafts 2and 3 will be simultaneously rocked thereby imparting rocking movement' to thecuttersfoperatively associated/ therewithin the' manner above described; j Y Y In arranging'the present invention on the table,the cutters 'H will be so arranged as to have ai cutter H adjacent eachcorner ofv the table. Obviously then,by rocking lever 29,1

the carrier blocks 12 Vwill `be simultaneously rocked'in a suitable-direction. During this rocking movement of thel carrier blocks 12,

Y of ratchet-wheel 14 wilV cause the cutters 17 engage the glass inwardly from the corners thereofV to IImove obliquely withV respect to the longitudinal axes Vofthev glass thus scoring the glass'aldj ac entsaid corners. When veachV carrier block 12 has so moved vin this direction, roller' 26 contacting one toothV the latter to rotate in afclockwise'direction, reference being hadto Figure' 5. .n

'As isv thoughtY apparent, the rocking of shafts 2 a'n`d3 back and' forth, willv result in a step by step rotation of the ratchet wheels 14, theratchet wheels 14- being held against retrograde movement, through the medium of dogs 33 pivoted to the upper corners of the plate 10 and engageable with the teeth 28 of the ratchet wheel. This step by step movement'of the ratchet` wheels willV cause intermittent movement of the hammers 21 into and out of forcible engagement with thevice fo-r scoring, and subsequently breaking the scored cornersof a windshieldglass sub- T' sequent to the cutting of the `glass for pre- Even though have herein shown andde'- scribed the preferred embodiment of my invention, it is to be understood that the same is susceptible to changes `fully comprehended by the spirit of the invention as herein de- Having thus described my invention, Vwhat I claim as new 1s: Y c

.1. In a glass cutting apparatus, aglass Vventing a windshield of the desiredv edge configuration r`scribed, and .they scope of the appended c claims.

supporting table, a memberrockably supported thereon adjacent a corner of the table, a cutterelement carried by said member and movable therewithforl scoring an adjacent corner portion of said glass, 'and a hammer member carried by said first mentioned mem-Y ber and movable relative thereto for'subsequently breaking the scored corner portion of the glass.

2. A windshield glass,V cutting machine comprising in combination a glass supporting table, a plurality of cutter heads carried on'said table and rotatable relative thereto on vhorizontal axes, each of said cutter heads including a` cutterfor Vscoring an adjacent 'corner portion of .theV glass, and a hammer c,

having a sliding lit with sa-id'head for subsequently breaking the scored corner portion of the glass upon'completion of the scoring operation, and means for simultaneously actuatingsaid heads.

3. A windshield glass cutting apparatus 4comprising in combination a rockably mounted shaft, a carrier block carried by said shaft and movable therewith, arcutting element carried by said block forrscoring vadjacent portion of the glass to be cut, a hammer member having a slidingjfitwith` saidk carrierblock, and means for reciprocating said hammer during oscillationof saidlcarrier block.

4. A windshield glassfcutting vapparatus comprising in combination arockably mounted shaft, a carrier block carried by said shaft and movable therewith, a cutter carried byably mounted on the block, and cam means said carrier block, a hammer member movable relative to said carrier block, means for supporting said hammer member on said carrier block, a xed member, .a ratchet wheel loosely mounted on said shaft between said carrier block and said fixed member, a pivotally mounted dogy vcarried 'by said fixed member.A adapted j to successively engagel the teeth of said ratchet wheel, a roller carried by said hammer member and ridable yover theperiphery of said ratchet wheel, and

spring means normally urging said roller in engagement with the periphery of said ratchet wheel.

5. A windshield glass cutting apparatus comprising a glass supporting table, a plurality of cutter heads rockably mounted on said table, one adjacent each corner of the glass to be cut, means for simultaneouslyrocking said cutter heads, a cutter vcarried by each of said cutter heads4 for scoring an adjacent corner portion of the glass, `and ey adapted to operatively contact said glass upon rocking movement of said cutter head in one direction, a hammer member carried `by each of said cutter heads, and means for moving said hammers relative to the respective cutter heads away from the glass during cutting movement of the latter and then suddenly releasing said hammer whereby said hammer will be brought into forcible engagement with the adjacent scored portions of the glass for breaking the same.

6. An apparatus for scoring and breaking a relatively stationary sheet of glass, comprising a cutter' carrier rockable on an axis kparallel to the plane of the sheet, and a hammer member having a slidable fit on said carrier for movement into contact with said sheet.

7. An apparatus for scoring and breaking a fixed sheet of glass comprising a rockably mounted carrier block, a cutter mounted thereon, a hammer or breaking element slidfor shifting the breaking element relative to the block during rocking movement of the latter.

mounted thereon, a breakingelement slidably f mounted on the carrier block, spring means vingsaid cam faces.

10. An apparatus for obliquely scoring the corners of a relatively stationary sheet of glass, comprising a plurality of cutting devices arranged substantially in the form of :11.575 rectangle and respectively including a member rockable about a diagonally disposed axis, a cutter carried by the member, a breaking element shiftably mounted on the member, and means for simultaneously operate-,380 in'gall of said cutting'devices. y 11. An apparatus for obliquely scoring the corners of a relatively stationary sheet of glass, and comprising a plurality of devices arranged in rectangular formation and re-:i spectively including a rockably mounted carrier block, a cutter element carried by said block, a hammer having a slidable fit ywith the carrier block, a cutter carried thereby, a hammer element having a sliding fit with the carrier block, elastic means normally urging the hammer member in one direction, a rotatably mounted ratchet wheel having cam faces in alternate relation to the teeth thereof, a roller carried by the hammer slidable over said .cam faces and engageable with the teeth,

whereby to rotate the ratchet wheel step by ystep during rocking movement of the carrier block andk to shift the hammer relative to the block against the action of said elastic means and then suddenly releasing it, and means for retaining the ratchet wheel against retrograde movement.

18. An apparatus vfor scoring a relatively staionary sheet of'glass comprising a substantially rectangular table for supporting the sheet, a plurality of cutter carriers, each positioned adjacent one side of thetable and rockable about an axis disposed at an angle to the said side of said table, a cutter carried by each carrier, and means for simultaneously rocking said carriers and cutters and caus- '120 `ingthe cutters during such rocking movement to effect scoring of the glass sheet.

14. kAn apparatus for scoring a relatively stationary sheet of glass comprising a table for supportingfthe sheet, a plurality of cutdevices arranged substantially at the cornersrof/a rectangle and respectivelyincluding4 a member rockable about an yaxis disposed at an angle to the adjacent sides ofsaid rectangle, va cutter carried by each memf4 Y f 1,381,2220

".ber, and means for simultaneouslyV rocking Isaid ymembers to operateall of said cutting dev ioes.'` f. y Y' ;l5, Anapparatusforscoring a relatively stationary-.sheetv of glass comprising a subfthe'sheet,V a plurality of subetalitiallyfhorif` zontal roekable shafts extending adjacent to `and at -an angle to the sideslof said table, a` 13;;10 Cutter Carried by each shaft, andfmeans for .,vsimultaneously rocking said shafts to svvlng. 1 `theiouttersl carried thereby through an are i and 'Cause thel saideutte'rs during suohsvvinging movement toveeet scoring of the glass 31,Sl1eet1 Y 4.

16. An appartus `for scoring .a relatively stationarysheet of glass Comprising atable 'a f- `for supporting the sheet, a plurality of ,eut. ti'ngdeviees arranged substantially at the i520 ,QOrnersV-of va rectangle and respectively-in y vcluding a cutter holder, a substantially honiV l, u zontal rockable shaftprovided for and: earyryingeach cutter holderysaidfshafts extending` at anvangle'to the adjacent sidesof said 95rectangle,V a'outter carried Vby each cutter v holde'r',-an'd'means for simultaneously rocking saidshafts to operate all ofsaid cutting deq-vicevs. f e

17. An apparatus for scoring a relatively V51,30,stationary sheet of glass comprising a table l.for supportnglthe sheet, a pair of horizontal lsubstantially parallel rockable shafts7 an y #auxiliary shaftearried at each end'offeaoh of n Vstantially rectangular table forsu'pporting K l l said parallel shafts and arranged at an angle Y f'qf; relative theretoand extending diagonally of thevta'ble,` a eutterfoarried by each auxiliary I i shaft, and meansfor rocking the parallel `shatsvtoleffeet simultaneous rocking of all i of said auxiliary shafts-to swing the cutters :152110 carried thereby through an are andato cause the saidcutter during' suoh-swinging'move- `ment toeffectthe scoring of the .glass sheet. v18. Anfappar'atus'for scoring a vrelatively stationary sheet ofglass'comprising a sub- ,f stantially rectangular table lfor supporting the sheet, a pair of horizontal usubstantially `parallelY rookable-.shafts arrangedy beneath the table and extending longitudinally therei0f,1an auxiliaryV shaft carried at each end 4i.sof'Oieachf'ofsaid parallel shafts and arranged .at anfangle `relative .thereto and extending 1 Idiagonally fof :the "table, universal yool'inee- :tionsbetween said :p'ar'allel'shafts .and `auxl n iliary shafts, .a `cutter oarriedV by each aux-V f 555 .iliary;shaft, fsaid-cutters; being ypositioned outwardly ofbut adjacentthe respective side edges ofthe table7 andmeans for rocking the parallel shafts to effect simultaneous rocking of all of said auxiliary shafts to swing the ryoeuttersrearried thereby through an are and to cause the said .Cutters duringsuchv swingmovement to effect the scoring of the n vgla'ssshe'etl l i Y VoerAvE vo. NATLIS.

n p :Ill-testimony whereof I'aliixfmy signature. :Y "i i y .,-,5, Y f 

